fix(cjs): build cjs for loadEnv

packages/vite/rollup.config.ts

@@ -232,7 +232,7 @@ function createCjsConfig(isProduction: boolean) {
       ...Object.keys(pkg.dependencies),
       ...(isProduction ? [] : Object.keys(pkg.devDependencies))
     ],
-    plugins: [...createNodePlugins(false, false), bundleSizeLimit(50)]
+    plugins: [...createNodePlugins(false, false), bundleSizeLimit(55)]
   })
 }
 

packages/vite/src/node/config.ts

@@ -4,23 +4,20 @@ import { parse as parseUrl, pathToFileURL } from 'url'
 import { performance } from 'perf_hooks'
 import { createRequire } from 'module'
 import colors from 'picocolors'
-import dotenv from 'dotenv'
-import dotenvExpand from 'dotenv-expand'
 import type { Alias, AliasOptions } from 'types/alias'
 import { createFilter } from '@rollup/pluginutils'
 import aliasPlugin from '@rollup/plugin-alias'
 import { build } from 'esbuild'
 import type { RollupOptions } from 'rollup'
 import type { Plugin } from './plugin'
-import type { BuildOptions } from './build'
+import type { BuildOptions, ResolvedBuildOptions } from './build'
 import { resolveBuildOptions } from './build'
 import type { ResolvedServerOptions, ServerOptions } from './server'
 import { resolveServerOptions } from './server'
 import type { PreviewOptions, ResolvedPreviewOptions } from './preview'
 import { resolvePreviewOptions } from './preview'
 import type { CSSOptions } from './plugins/css'
 import {
-  arraify,
   createDebugger,
   dynamicImport,
   isExternalUrl,
@@ -43,7 +40,7 @@ import type { JsonOptions } from './plugins/json'
 import type { PluginContainer } from './server/pluginContainer'
 import { createPluginContainer } from './server/pluginContainer'
 import type { PackageCache } from './packages'
-import type { ResolvedBuildOptions } from '.'
+import { loadEnv, resolveEnvPrefix } from './env'
 
 const debug = createDebugger('vite:config')
 
@@ -858,80 +855,3 @@ async function loadConfigFromBundledFile(
   _require.extensions[extension] = defaultLoader
   return config
 }
-
-export function loadEnv(
-  mode: string,
-  envDir: string,
-  prefixes: string | string[] = 'VITE_'
-): Record<string, string> {
-  if (mode === 'local') {
-    throw new Error(
-      `"local" cannot be used as a mode name because it conflicts with ` +
-        `the .local postfix for .env files.`
-    )
-  }
-  prefixes = arraify(prefixes)
-  const env: Record<string, string> = {}
-  const envFiles = [
-    /** mode local file */ `.env.${mode}.local`,
-    /** mode file */ `.env.${mode}`,
-    /** local file */ `.env.local`,
-    /** default file */ `.env`
-  ]
-
-  // check if there are actual env variables starting with VITE_*
-  // these are typically provided inline and should be prioritized
-  for (const key in process.env) {
-    if (
-      prefixes.some((prefix) => key.startsWith(prefix)) &&
-      env[key] === undefined
-    ) {
-      env[key] = process.env[key] as string
-    }
-  }
-
-  for (const file of envFiles) {
-    const path = lookupFile(envDir, [file], { pathOnly: true, rootDir: envDir })
-    if (path) {
-      const parsed = dotenv.parse(fs.readFileSync(path), {
-        debug: process.env.DEBUG?.includes('vite:dotenv') || undefined
-      })
-
-      // let environment variables use each other
-      dotenvExpand({
-        parsed,
-        // prevent process.env mutation
-        ignoreProcessEnv: true
-      } as any)
-
-      // only keys that start with prefix are exposed to client
-      for (const [key, value] of Object.entries(parsed)) {
-        if (
-          prefixes.some((prefix) => key.startsWith(prefix)) &&
-          env[key] === undefined
-        ) {
-          env[key] = value
-        } else if (
-          key === 'NODE_ENV' &&
-          process.env.VITE_USER_NODE_ENV === undefined
-        ) {
-          // NODE_ENV override in .env file
-          process.env.VITE_USER_NODE_ENV = value
-        }
-      }
-    }
-  }
-  return env
-}
-
-export function resolveEnvPrefix({
-  envPrefix = 'VITE_'
-}: UserConfig): string[] {
-  envPrefix = arraify(envPrefix)
-  if (envPrefix.some((prefix) => prefix === '')) {
-    throw new Error(
-      `envPrefix option contains value '', which could lead unexpected exposure of sensitive information.`
-    )
-  }
-  return envPrefix
-}

packages/vite/src/node/env.ts

@@ -0,0 +1,82 @@
+import fs from 'fs'
+import dotenv from 'dotenv'
+import dotenvExpand from 'dotenv-expand'
+import { arraify, lookupFile } from './utils'
+import type { UserConfig } from './config'
+
+export function loadEnv(
+  mode: string,
+  envDir: string,
+  prefixes: string | string[] = 'VITE_'
+): Record<string, string> {
+  if (mode === 'local') {
+    throw new Error(
+      `"local" cannot be used as a mode name because it conflicts with ` +
+        `the .local postfix for .env files.`
+    )
+  }
+  prefixes = arraify(prefixes)
+  const env: Record<string, string> = {}
+  const envFiles = [
+    /** mode local file */ `.env.${mode}.local`,
+    /** mode file */ `.env.${mode}`,
+    /** local file */ `.env.local`,
+    /** default file */ `.env`
+  ]
+
+  // check if there are actual env variables starting with VITE_*
+  // these are typically provided inline and should be prioritized
+  for (const key in process.env) {
+    if (
+      prefixes.some((prefix) => key.startsWith(prefix)) &&
+      env[key] === undefined
+    ) {
+      env[key] = process.env[key] as string
+    }
+  }
+
+  for (const file of envFiles) {
+    const path = lookupFile(envDir, [file], { pathOnly: true, rootDir: envDir })
+    if (path) {
+      const parsed = dotenv.parse(fs.readFileSync(path), {
+        debug: process.env.DEBUG?.includes('vite:dotenv') || undefined
+      })
+
+      // let environment variables use each other
+      dotenvExpand({
+        parsed,
+        // prevent process.env mutation
+        ignoreProcessEnv: true
+      } as any)
+
+      // only keys that start with prefix are exposed to client
+      for (const [key, value] of Object.entries(parsed)) {
+        if (
+          prefixes.some((prefix) => key.startsWith(prefix)) &&
+          env[key] === undefined
+        ) {
+          env[key] = value
+        } else if (
+          key === 'NODE_ENV' &&
+          process.env.VITE_USER_NODE_ENV === undefined
+        ) {
+          // NODE_ENV override in .env file
+          process.env.VITE_USER_NODE_ENV = value
+        }
+      }
+    }
+  }
+  return env
+}
+
+export function resolveEnvPrefix({
+  envPrefix = 'VITE_'
+}: UserConfig): string[] {
+  envPrefix = arraify(envPrefix)
+  if (envPrefix.some((prefix) => prefix === '')) {
+    throw new Error(
+      `envPrefix option contains value '', which could lead unexpected exposure of sensitive information.`
+    )
+  }
+  return envPrefix
+}

packages/vite/src/node/publicUtils.ts

@@ -11,3 +11,4 @@ export { normalizePath, mergeConfig, mergeAlias } from './utils'
 export { send } from './server/send'
 export { createLogger } from './logger'
 export { searchForWorkspaceRoot } from './server/searchRoot'
+export { loadEnv, resolveEnvPrefix } from './env'